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wxListBox::FindString(): it's not an error if the string is not found, so

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don't give assert failures in this case.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@767 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
1998-09-22 14:40:18 +00:00
parent ecadfc3f5a
commit dcf40a56e7
2 changed files with 120 additions and 112 deletions
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116
src/gtk/listbox.cpp
View File

@@ -32,9 +32,9 @@ static void gtk_listitem_select_callback( GtkWidget *WXUNUSED(widget), wxListBox
{ {
if (!listbox->HasVMT()) return; if (!listbox->HasVMT()) return;
if (g_blockEventsOnDrag) return; if (g_blockEventsOnDrag) return;
wxCommandEvent event(wxEVT_COMMAND_LISTBOX_SELECTED, listbox->GetId() ); wxCommandEvent event(wxEVT_COMMAND_LISTBOX_SELECTED, listbox->GetId() );
wxArrayInt aSelections; wxArrayInt aSelections;
int count = listbox->GetSelections(aSelections); int count = listbox->GetSelections(aSelections);
if ( count > 0 ) if ( count > 0 )
@@ -68,23 +68,23 @@ wxListBox::wxListBox(void)
m_list = (GtkList *) NULL; m_list = (GtkList *) NULL;
} }
bool wxListBox::Create( wxWindow *parent, wxWindowID id, bool wxListBox::Create( wxWindow *parent, wxWindowID id,
const wxPoint &pos, const wxSize &size, const wxPoint &pos, const wxSize &size,
int n, const wxString choices[], int n, const wxString choices[],
long style, const wxValidator& validator, const wxString &name ) long style, const wxValidator& validator, const wxString &name )
{ {
m_needParent = TRUE; m_needParent = TRUE;
PreCreation( parent, id, pos, size, style, name ); PreCreation( parent, id, pos, size, style, name );
SetValidator( validator ); SetValidator( validator );
m_widget = gtk_scrolled_window_new( (GtkAdjustment *) NULL, (GtkAdjustment *) NULL ); m_widget = gtk_scrolled_window_new( (GtkAdjustment *) NULL, (GtkAdjustment *) NULL );
gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW(m_widget), gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW(m_widget),
GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC ); GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC );
m_list = GTK_LIST( gtk_list_new() ); m_list = GTK_LIST( gtk_list_new() );
GtkSelectionMode mode = GTK_SELECTION_BROWSE; GtkSelectionMode mode = GTK_SELECTION_BROWSE;
if (style & wxLB_MULTIPLE) if (style & wxLB_MULTIPLE)
mode = GTK_SELECTION_MULTIPLE; mode = GTK_SELECTION_MULTIPLE;
@@ -92,40 +92,40 @@ bool wxListBox::Create( wxWindow *parent, wxWindowID id,
mode = GTK_SELECTION_EXTENDED; mode = GTK_SELECTION_EXTENDED;
gtk_list_set_selection_mode( GTK_LIST(m_list), mode ); gtk_list_set_selection_mode( GTK_LIST(m_list), mode );
gtk_container_add (GTK_CONTAINER(m_widget), GTK_WIDGET(m_list) ); gtk_container_add (GTK_CONTAINER(m_widget), GTK_WIDGET(m_list) );
gtk_widget_show( GTK_WIDGET(m_list) ); gtk_widget_show( GTK_WIDGET(m_list) );
wxSize newSize = size; wxSize newSize = size;
if (newSize.x == -1) newSize.x = 100; if (newSize.x == -1) newSize.x = 100;
if (newSize.y == -1) newSize.y = 110; if (newSize.y == -1) newSize.y = 110;
SetSize( newSize.x, newSize.y ); SetSize( newSize.x, newSize.y );
for (int i = 0; i < n; i++) for (int i = 0; i < n; i++)
{ {
GtkWidget *list_item; GtkWidget *list_item;
list_item = gtk_list_item_new_with_label( choices[i] ); list_item = gtk_list_item_new_with_label( choices[i] );
gtk_container_add( GTK_CONTAINER(m_list), list_item ); gtk_container_add( GTK_CONTAINER(m_list), list_item );
gtk_signal_connect( GTK_OBJECT(list_item), "select", gtk_signal_connect( GTK_OBJECT(list_item), "select",
GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this ); GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this );
if (style & wxLB_MULTIPLE) if (style & wxLB_MULTIPLE)
gtk_signal_connect( GTK_OBJECT(list_item), "deselect", gtk_signal_connect( GTK_OBJECT(list_item), "deselect",
GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this ); GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this );
m_clientData.Append( (wxObject*)NULL ); m_clientData.Append( (wxObject*)NULL );
gtk_widget_show( list_item ); gtk_widget_show( list_item );
} }
PostCreation(); PostCreation();
gtk_widget_realize( GTK_WIDGET(m_list) ); gtk_widget_realize( GTK_WIDGET(m_list) );
Show( TRUE ); Show( TRUE );
return TRUE; return TRUE;
} }
@@ -136,56 +136,56 @@ void wxListBox::Append( const wxString &item )
void wxListBox::Append( const wxString &item, char *clientData ) void wxListBox::Append( const wxString &item, char *clientData )
{ {
GtkWidget *list_item = gtk_list_item_new_with_label( item ); GtkWidget *list_item = gtk_list_item_new_with_label( item );
if (m_hasOwnStyle) if (m_hasOwnStyle)
{ {
GtkBin *bin = GTK_BIN( list_item ); GtkBin *bin = GTK_BIN( list_item );
gtk_widget_set_style( bin->child, gtk_widget_set_style( bin->child,
gtk_style_ref( gtk_style_ref(
gtk_widget_get_style( m_widget ) ) ); gtk_widget_get_style( m_widget ) ) );
} }
gtk_signal_connect( GTK_OBJECT(list_item), "select", gtk_signal_connect( GTK_OBJECT(list_item), "select",
GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this ); GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this );
if (GetWindowStyleFlag() & wxLB_MULTIPLE) if (GetWindowStyleFlag() & wxLB_MULTIPLE)
gtk_signal_connect( GTK_OBJECT(list_item), "deselect", gtk_signal_connect( GTK_OBJECT(list_item), "deselect",
GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this ); GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this );
m_clientData.Append( (wxObject*)clientData ); m_clientData.Append( (wxObject*)clientData );
gtk_container_add( GTK_CONTAINER(m_list), list_item ); gtk_container_add( GTK_CONTAINER(m_list), list_item );
gtk_widget_show( list_item ); gtk_widget_show( list_item );
ConnectWidget( list_item ); ConnectWidget( list_item );
ConnectDnDWidget( list_item ); ConnectDnDWidget( list_item );
} }
void wxListBox::Clear(void) void wxListBox::Clear(void)
{ {
gtk_list_clear_items( m_list, 0, Number() ); gtk_list_clear_items( m_list, 0, Number() );
m_clientData.Clear(); m_clientData.Clear();
} }
void wxListBox::Delete( int n ) void wxListBox::Delete( int n )
{ {
GList *child = g_list_nth( m_list->children, n ); GList *child = g_list_nth( m_list->children, n );
if (!child) if (!child)
{ {
wxFAIL_MSG("wrong listbox index"); wxFAIL_MSG("wrong listbox index");
return; return;
} }
GList *list = g_list_append( NULL, child->data ); GList *list = g_list_append( NULL, child->data );
gtk_list_remove_items( m_list, list ); gtk_list_remove_items( m_list, list );
g_list_free( list ); g_list_free( list );
wxNode *node = m_clientData.Nth( n ); wxNode *node = m_clientData.Nth( n );
if (!node) if (!node)
{ {
@@ -212,7 +212,11 @@ int wxListBox::FindString( const wxString &item ) const
count++; count++;
child = child->next; child = child->next;
} }
wxFAIL_MSG("wrong listbox index");
// it's not an error if the string is not found - this function may be used to
// test for existence of the string in the listbox, so don't give any
// errors/assert failures.
return -1; return -1;
} }
@@ -220,7 +224,7 @@ char *wxListBox::GetClientData( int n ) const
{ {
wxNode *node = m_clientData.Nth( n ); wxNode *node = m_clientData.Nth( n );
if (node) return ((char*)node->Data()); if (node) return ((char*)node->Data());
wxFAIL_MSG("wrong listbox index"); wxFAIL_MSG("wrong listbox index");
return (char *) NULL; return (char *) NULL;
} }
@@ -243,25 +247,25 @@ int wxListBox::GetSelections(wxArrayInt& aSelections) const
// get the number of selected items first // get the number of selected items first
GList *child = m_list->children; GList *child = m_list->children;
int count = 0; int count = 0;
for ( child = m_list->children; child != NULL; child = child->next ) for ( child = m_list->children; child != NULL; child = child->next )
{ {
if ( GTK_WIDGET(child->data)->state == GTK_STATE_SELECTED ) if ( GTK_WIDGET(child->data)->state == GTK_STATE_SELECTED )
count++; count++;
} }
aSelections.Empty(); aSelections.Empty();
if ( count > 0 ) { if ( count > 0 ) {
// now fill the list // now fill the list
aSelections.Alloc(count); // optimization attempt aSelections.Alloc(count); // optimization attempt
int i = 0; int i = 0;
for ( child = m_list->children; child != NULL; child = child->next, i++ ) for ( child = m_list->children; child != NULL; child = child->next, i++ )
{ {
if ( GTK_WIDGET(child->data)->state == GTK_STATE_SELECTED ) if ( GTK_WIDGET(child->data)->state == GTK_STATE_SELECTED )
aSelections.Add(i); aSelections.Add(i);
} }
} }
return count; return count;
} }
@@ -324,7 +328,7 @@ void wxListBox::SetClientData( int n, char *clientData )
{ {
wxNode *node = m_clientData.Nth( n ); wxNode *node = m_clientData.Nth( n );
if (node) if (node)
{ {
node->SetData( (wxObject*)clientData ); node->SetData( (wxObject*)clientData );
} }
else else
@@ -395,9 +399,9 @@ void wxListBox::SetDropTarget( wxDropTarget *dropTarget )
DisconnectDnDWidget( GTK_WIDGET( child->data ) ); DisconnectDnDWidget( GTK_WIDGET( child->data ) );
child = child->next; child = child->next;
} }
wxWindow::SetDropTarget( dropTarget ); wxWindow::SetDropTarget( dropTarget );
child = m_list->children; child = m_list->children;
while (child) while (child)
{ {
@@ -419,9 +423,9 @@ void wxListBox::SetFont( const wxFont &font )
while (child) while (child)
{ {
GtkBin *bin = (GtkBin*) child->data; GtkBin *bin = (GtkBin*) child->data;
gtk_widget_set_style( bin->child, gtk_widget_set_style( bin->child,
gtk_style_ref( gtk_style_ref(
gtk_widget_get_style( m_widget ) ) ); gtk_widget_get_style( m_widget ) ) );
child = child->next; child = child->next;
} }
} }
@@ -429,7 +433,7 @@ void wxListBox::SetFont( const wxFont &font )
bool wxListBox::IsOwnGtkWindow( GdkWindow *window ) bool wxListBox::IsOwnGtkWindow( GdkWindow *window )
{ {
if (wxWindow::IsOwnGtkWindow( window )) return TRUE; if (wxWindow::IsOwnGtkWindow( window )) return TRUE;
GList *child = m_list->children; GList *child = m_list->children;
while (child) while (child)
{ {
@@ -437,7 +441,7 @@ bool wxListBox::IsOwnGtkWindow( GdkWindow *window )
if (bin->child->window == window) return TRUE; if (bin->child->window == window) return TRUE;
child = child->next; child = child->next;
} }
return FALSE; return FALSE;
} }

116
src/gtk1/listbox.cpp
View File

@@ -32,9 +32,9 @@ static void gtk_listitem_select_callback( GtkWidget *WXUNUSED(widget), wxListBox
{ {
if (!listbox->HasVMT()) return; if (!listbox->HasVMT()) return;
if (g_blockEventsOnDrag) return; if (g_blockEventsOnDrag) return;
wxCommandEvent event(wxEVT_COMMAND_LISTBOX_SELECTED, listbox->GetId() ); wxCommandEvent event(wxEVT_COMMAND_LISTBOX_SELECTED, listbox->GetId() );
wxArrayInt aSelections; wxArrayInt aSelections;
int count = listbox->GetSelections(aSelections); int count = listbox->GetSelections(aSelections);
if ( count > 0 ) if ( count > 0 )
@@ -68,23 +68,23 @@ wxListBox::wxListBox(void)
m_list = (GtkList *) NULL; m_list = (GtkList *) NULL;
} }
bool wxListBox::Create( wxWindow *parent, wxWindowID id, bool wxListBox::Create( wxWindow *parent, wxWindowID id,
const wxPoint &pos, const wxSize &size, const wxPoint &pos, const wxSize &size,
int n, const wxString choices[], int n, const wxString choices[],
long style, const wxValidator& validator, const wxString &name ) long style, const wxValidator& validator, const wxString &name )
{ {
m_needParent = TRUE; m_needParent = TRUE;
PreCreation( parent, id, pos, size, style, name ); PreCreation( parent, id, pos, size, style, name );
SetValidator( validator ); SetValidator( validator );
m_widget = gtk_scrolled_window_new( (GtkAdjustment *) NULL, (GtkAdjustment *) NULL ); m_widget = gtk_scrolled_window_new( (GtkAdjustment *) NULL, (GtkAdjustment *) NULL );
gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW(m_widget), gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW(m_widget),
GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC ); GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC );
m_list = GTK_LIST( gtk_list_new() ); m_list = GTK_LIST( gtk_list_new() );
GtkSelectionMode mode = GTK_SELECTION_BROWSE; GtkSelectionMode mode = GTK_SELECTION_BROWSE;
if (style & wxLB_MULTIPLE) if (style & wxLB_MULTIPLE)
mode = GTK_SELECTION_MULTIPLE; mode = GTK_SELECTION_MULTIPLE;
@@ -92,40 +92,40 @@ bool wxListBox::Create( wxWindow *parent, wxWindowID id,
mode = GTK_SELECTION_EXTENDED; mode = GTK_SELECTION_EXTENDED;
gtk_list_set_selection_mode( GTK_LIST(m_list), mode ); gtk_list_set_selection_mode( GTK_LIST(m_list), mode );
gtk_container_add (GTK_CONTAINER(m_widget), GTK_WIDGET(m_list) ); gtk_container_add (GTK_CONTAINER(m_widget), GTK_WIDGET(m_list) );
gtk_widget_show( GTK_WIDGET(m_list) ); gtk_widget_show( GTK_WIDGET(m_list) );
wxSize newSize = size; wxSize newSize = size;
if (newSize.x == -1) newSize.x = 100; if (newSize.x == -1) newSize.x = 100;
if (newSize.y == -1) newSize.y = 110; if (newSize.y == -1) newSize.y = 110;
SetSize( newSize.x, newSize.y ); SetSize( newSize.x, newSize.y );
for (int i = 0; i < n; i++) for (int i = 0; i < n; i++)
{ {
GtkWidget *list_item; GtkWidget *list_item;
list_item = gtk_list_item_new_with_label( choices[i] ); list_item = gtk_list_item_new_with_label( choices[i] );
gtk_container_add( GTK_CONTAINER(m_list), list_item ); gtk_container_add( GTK_CONTAINER(m_list), list_item );
gtk_signal_connect( GTK_OBJECT(list_item), "select", gtk_signal_connect( GTK_OBJECT(list_item), "select",
GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this ); GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this );
if (style & wxLB_MULTIPLE) if (style & wxLB_MULTIPLE)
gtk_signal_connect( GTK_OBJECT(list_item), "deselect", gtk_signal_connect( GTK_OBJECT(list_item), "deselect",
GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this ); GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this );
m_clientData.Append( (wxObject*)NULL ); m_clientData.Append( (wxObject*)NULL );
gtk_widget_show( list_item ); gtk_widget_show( list_item );
} }
PostCreation(); PostCreation();
gtk_widget_realize( GTK_WIDGET(m_list) ); gtk_widget_realize( GTK_WIDGET(m_list) );
Show( TRUE ); Show( TRUE );
return TRUE; return TRUE;
} }
@@ -136,56 +136,56 @@ void wxListBox::Append( const wxString &item )
void wxListBox::Append( const wxString &item, char *clientData ) void wxListBox::Append( const wxString &item, char *clientData )
{ {
GtkWidget *list_item = gtk_list_item_new_with_label( item ); GtkWidget *list_item = gtk_list_item_new_with_label( item );
if (m_hasOwnStyle) if (m_hasOwnStyle)
{ {
GtkBin *bin = GTK_BIN( list_item ); GtkBin *bin = GTK_BIN( list_item );
gtk_widget_set_style( bin->child, gtk_widget_set_style( bin->child,
gtk_style_ref( gtk_style_ref(
gtk_widget_get_style( m_widget ) ) ); gtk_widget_get_style( m_widget ) ) );
} }
gtk_signal_connect( GTK_OBJECT(list_item), "select", gtk_signal_connect( GTK_OBJECT(list_item), "select",
GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this ); GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this );
if (GetWindowStyleFlag() & wxLB_MULTIPLE) if (GetWindowStyleFlag() & wxLB_MULTIPLE)
gtk_signal_connect( GTK_OBJECT(list_item), "deselect", gtk_signal_connect( GTK_OBJECT(list_item), "deselect",
GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this ); GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this );
m_clientData.Append( (wxObject*)clientData ); m_clientData.Append( (wxObject*)clientData );
gtk_container_add( GTK_CONTAINER(m_list), list_item ); gtk_container_add( GTK_CONTAINER(m_list), list_item );
gtk_widget_show( list_item ); gtk_widget_show( list_item );
ConnectWidget( list_item ); ConnectWidget( list_item );
ConnectDnDWidget( list_item ); ConnectDnDWidget( list_item );
} }
void wxListBox::Clear(void) void wxListBox::Clear(void)
{ {
gtk_list_clear_items( m_list, 0, Number() ); gtk_list_clear_items( m_list, 0, Number() );
m_clientData.Clear(); m_clientData.Clear();
} }
void wxListBox::Delete( int n ) void wxListBox::Delete( int n )
{ {
GList *child = g_list_nth( m_list->children, n ); GList *child = g_list_nth( m_list->children, n );
if (!child) if (!child)
{ {
wxFAIL_MSG("wrong listbox index"); wxFAIL_MSG("wrong listbox index");
return; return;
} }
GList *list = g_list_append( NULL, child->data ); GList *list = g_list_append( NULL, child->data );
gtk_list_remove_items( m_list, list ); gtk_list_remove_items( m_list, list );
g_list_free( list ); g_list_free( list );
wxNode *node = m_clientData.Nth( n ); wxNode *node = m_clientData.Nth( n );
if (!node) if (!node)
{ {
@@ -212,7 +212,11 @@ int wxListBox::FindString( const wxString &item ) const
count++; count++;
child = child->next; child = child->next;
} }
wxFAIL_MSG("wrong listbox index");
// it's not an error if the string is not found - this function may be used to
// test for existence of the string in the listbox, so don't give any
// errors/assert failures.
return -1; return -1;
} }
@@ -220,7 +224,7 @@ char *wxListBox::GetClientData( int n ) const
{ {
wxNode *node = m_clientData.Nth( n ); wxNode *node = m_clientData.Nth( n );
if (node) return ((char*)node->Data()); if (node) return ((char*)node->Data());
wxFAIL_MSG("wrong listbox index"); wxFAIL_MSG("wrong listbox index");
return (char *) NULL; return (char *) NULL;
} }
@@ -243,25 +247,25 @@ int wxListBox::GetSelections(wxArrayInt& aSelections) const
// get the number of selected items first // get the number of selected items first
GList *child = m_list->children; GList *child = m_list->children;
int count = 0; int count = 0;
for ( child = m_list->children; child != NULL; child = child->next ) for ( child = m_list->children; child != NULL; child = child->next )
{ {
if ( GTK_WIDGET(child->data)->state == GTK_STATE_SELECTED ) if ( GTK_WIDGET(child->data)->state == GTK_STATE_SELECTED )
count++; count++;
} }
aSelections.Empty(); aSelections.Empty();
if ( count > 0 ) { if ( count > 0 ) {
// now fill the list // now fill the list
aSelections.Alloc(count); // optimization attempt aSelections.Alloc(count); // optimization attempt
int i = 0; int i = 0;
for ( child = m_list->children; child != NULL; child = child->next, i++ ) for ( child = m_list->children; child != NULL; child = child->next, i++ )
{ {
if ( GTK_WIDGET(child->data)->state == GTK_STATE_SELECTED ) if ( GTK_WIDGET(child->data)->state == GTK_STATE_SELECTED )
aSelections.Add(i); aSelections.Add(i);
} }
} }
return count; return count;
} }
@@ -324,7 +328,7 @@ void wxListBox::SetClientData( int n, char *clientData )
{ {
wxNode *node = m_clientData.Nth( n ); wxNode *node = m_clientData.Nth( n );
if (node) if (node)
{ {
node->SetData( (wxObject*)clientData ); node->SetData( (wxObject*)clientData );
} }
else else
@@ -395,9 +399,9 @@ void wxListBox::SetDropTarget( wxDropTarget *dropTarget )
DisconnectDnDWidget( GTK_WIDGET( child->data ) ); DisconnectDnDWidget( GTK_WIDGET( child->data ) );
child = child->next; child = child->next;
} }
wxWindow::SetDropTarget( dropTarget ); wxWindow::SetDropTarget( dropTarget );
child = m_list->children; child = m_list->children;
while (child) while (child)
{ {
@@ -419,9 +423,9 @@ void wxListBox::SetFont( const wxFont &font )
while (child) while (child)
{ {
GtkBin *bin = (GtkBin*) child->data; GtkBin *bin = (GtkBin*) child->data;
gtk_widget_set_style( bin->child, gtk_widget_set_style( bin->child,
gtk_style_ref( gtk_style_ref(
gtk_widget_get_style( m_widget ) ) ); gtk_widget_get_style( m_widget ) ) );
child = child->next; child = child->next;
} }
} }
@@ -429,7 +433,7 @@ void wxListBox::SetFont( const wxFont &font )
bool wxListBox::IsOwnGtkWindow( GdkWindow *window ) bool wxListBox::IsOwnGtkWindow( GdkWindow *window )
{ {
if (wxWindow::IsOwnGtkWindow( window )) return TRUE; if (wxWindow::IsOwnGtkWindow( window )) return TRUE;
GList *child = m_list->children; GList *child = m_list->children;
while (child) while (child)
{ {
@@ -437,7 +441,7 @@ bool wxListBox::IsOwnGtkWindow( GdkWindow *window )
if (bin->child->window == window) return TRUE; if (bin->child->window == window) return TRUE;
child = child->next; child = child->next;
} }
return FALSE; return FALSE;
} }